The aim of this study is to examine the level of mobbing perceptions of primary school teachers and to determine the differentiation of primary school teachers' perception of mobbing according to the variables of gender, age, marital status, professional seniority, working time at the school and educational status. Survey- descriptive method were used in the research. While the universe of the research is composed of primary school teachersworking in Istanbul Province Bağcılar District, the sample group consists of 245 teachers selected from this universe by the convenience sampling method. In the study, the demographic data form created by the researcher and the "Mobbing Scale" were used. SPSS program was used in the analysis of the data. As a result of the data analysis, it was seen that there was a difference in the mobbing perceptions of the primary school teachersin terms of gender, working time at school and professional seniority variables. As a result of the analyzes made, it was seen that the mobbing levels of female primary school teachersand those who are new to the profession are higher. In addition, it has been observed that there are differences between the duration of working at school and professional seniority and the level of mobbing. In particular, when the general score of the mobbing scale was examined, it was seen that the mobbing levels of the teachers with less experience were higher. In this regard, the rights of teachers exposed to mobbing should be protected and supported. Training should be organized to prevent mobbing at school. Considering that mobbing varies according to demographic factors such as gender, working hours and professional seniority, sensitivity should be shown in schools regarding this issue. Teachers should not remain silent when they encounter mobbing and should report this situation to the relevant authorities.